A boat is going upstream at a force of 50N East and a current, on the stream, is moving West at 37N. What is the force acting on the boat?

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

Un jugador de beisbol batea un foul recto en el aire. la pelota deja el bate con una rapidez de 120 km/h. en ausencia de resistencia del aire. ? cual sera la rapidez de la pelota cuando la atrape el catcher

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing